Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 79

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IMPORTANT

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If molality of the dilute solution is doubled, the value of molal depression constant $(K_{f})$ will be______.

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Important Questions on Solutions

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IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 80

0.08 kg

of

M

(molecular weight

= 62

) in

400 gm

of water (freezing point of water

= 273.13 K,

K_{f}

= 1.86

), then the freezing point of mixture is approximately________.

HARD

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 81

Which one of the following electrolytes has the same value of Van’t Hoff s factor (

i

) as that of

{Al}_{2} ({SO}_{4})_{3}

(if all are

100 %

ionised)?

MEDIUM

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 82

If

α

is the degree of dissociation of

{Na}_{2} {SO}_{4}

, the value of Van’t Hoff’s factor (

i

) will be:

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NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 83

Which of the following compound corresponds Van’t Hoff factor

(i)

to be equal to

2

for dilute solution?

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Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 84

At higher altitudes, the boiling point of water lowers because:

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Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 85

Which does NOT influence the solubility of a solid in a liquid solvent?

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Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 1>Q 86

To prepare a solution of concentration of

0.03 g / mL

of

{AgNO}_{3}

, what amount of

{AgNO}_{3}

should be added in

60 mL

of solution?

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Chemistry Crash Course NEET>Chapter 8 - Solutions>Level 2>Q 1

The thermometer used in the determination of depression in the freezing point of a solution is the _______.